Alejandro Monteverde and Ali Landry
09/22/2011 at 11:15 AM EDT
It's a boy!
Ali Landry and her husband, director Alejandro Monteverde, welcomed son Marcelo Alejandro on Saturday in Los Angeles, the actress's rep tells PEOPLE exclusively.
Baby boy was born at 5:40 p.m. and weighed in at 8 lbs. and 21 inches long.
Shortly after announcing her pregnancy
, the former Doritos spokeswoman, 38, told PEOPLE in June that she was using grilled cheese sandwiches
to battle morning sickness.
Landry and Monteverde, 34, also have a daughter
, 4-year-old Estela Ines.